package Ajax;

/*
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 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

import DTO.ChuyenTauDTO;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Tu Nguyen
 */
@WebServlet(urlPatterns = {"/Json"})
public class Json extends HttpServlet {

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            if(request.getParameter("gaDi")!= null && request.getParameter("gaDen") != null){
                int gaDi =Integer.parseInt(request.getParameter("gaDi"));
                int gaDen = Integer.parseInt(request.getParameter("gaDen"));
                ResultSet rsc = BUS.HanhTrinhBUS.TimDSTuyen(gaDi, gaDen);// lay danh sach tuyen
                ArrayList<ChuyenTauDTO> lstC = new ArrayList<ChuyenTauDTO>();
                
                while(rsc.next())
                {
                    String maTuyen = rsc.getString("tuyen");
                      ResultSet dsChuyen = BUS.ChuyenTauBUS.TimDSChuyen(maTuyen);
                       while(dsChuyen.next())
                        {
                            out.println("<option value="+ dsChuyen.getString("id")+">");
                            out.println(dsChuyen.getString("thoi_gian_khoi_hanh"));
                            out.println("</option>");
                        }
                }
               
            }
        }
        catch(Exception ex)
        {
            
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
